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A Naphthalene‐Like Si 10 10− Unit in the Novel ∞ 2 [Si 20 30− ] Planar Anion of Sr 13 Mg 2 Si 20
Author(s) -
Currao Antonio,
Nesper Reinhard
Publication year - 1998
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/(sici)1521-3773(19980403)37:6<841::aid-anie841>3.0.co;2-a
Subject(s) - stacking , naphthalene , planar , ion , crystallography , unit (ring theory) , phase (matter) , conductivity , materials science , chemistry , computer science , mathematics , organic chemistry , computer graphics (images) , mathematics education
Two interpenetrating 2 ∞ [Si 20 30− ] polyanions with naphthalene‐like Si 10 10− building blocks (see picture) characterize the“nonclassical” Zintl phase Sr 13 Mg 2 Si 20 , which is formed from the elements at 1230–1240 K. The ecliptical stacking of the Si 10 10− units leads to one‐dimensional conductivity along the stacking direction.